Choose the grammatically correct sentences. More than one answer is possible. Tick the correct answers.

Ответ (EN):

1. We have to wear a uniform at school.
2. We don't have to prepare for the test because it's cancelled.
3. You must be quiet in the library.

Перевод (RU):

1. Мы должны носить форму в школе.
2. Нам не нужно готовиться к тесту, потому что он отменен.
3. Вы должны вести себя тихо в библиотеке.

Ответ: We have to wear a uniform at school.; We don't have to prepare for the test because it's cancelled.; You must be quiet in the library.